libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.
Published 2015-08-11 14:59:07
Updated 2018-05-20 01:29:00
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2015-3246

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2015-3246

  • Libuser roothelper Privilege Escalation
    Disclosure Date: 2015-07-24
    First seen: 2020-04-26
    exploit/linux/local/libuser_roothelper_priv_esc
    This module attempts to gain root privileges on Red Hat based Linux systems, including RHEL, Fedora and CentOS, by exploiting a newline injection vulnerability in libuser and userhelper versions prior to 0.56.13-8 and version 0.60 before 0.60-7. Th

CVSS scores for CVE-2015-3246

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST

CWE ids for CVE-2015-3246

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-3246

Products affected by CVE-2015-3246

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